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Diffstat (limited to 'src/test/regress/expected/join.out')
| -rw-r--r-- | src/test/regress/expected/join.out | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/regress/expected/join.out b/src/test/regress/expected/join.out index f635d296c27..0eb6339f608 100644 --- a/src/test/regress/expected/join.out +++ b/src/test/regress/expected/join.out @@ -6503,6 +6503,23 @@ left join j2 on j1.id1 = j2.id1 where j1.id2 = 1; Output: j2.id1, j2.id2 (8 rows) +create unique index j1_id2_idx on j1(id2) where id2 is not null; +-- ensure we don't use a partial unique index as unique proofs +explain (verbose, costs off) +select * from j1 +inner join j2 on j1.id2 = j2.id2; + QUERY PLAN +------------------------------------------ + Nested Loop + Output: j1.id1, j1.id2, j2.id1, j2.id2 + Join Filter: (j1.id2 = j2.id2) + -> Seq Scan on public.j2 + Output: j2.id1, j2.id2 + -> Seq Scan on public.j1 + Output: j1.id1, j1.id2 +(7 rows) + +drop index j1_id2_idx; -- validate logic in merge joins which skips mark and restore. -- it should only do this if all quals which were used to detect the unique -- are present as join quals, and not plain quals. |